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Underwriting

Expert-reviewed 3 Terms Updated: 2026-09-03

Underwriting: 3 technical terms explained – definition, synonyms and legal basis.

Capacity

Synonyms: Underwriting capacity

Capacity is the maximum amount of liability an insurer, reinsurer or the overall market can or will provide for a risk or a line of business.

Determining factors

A risk carrier’s capacity depends on its capital base, reinsurance protection, regulatory solvency requirements and internal underwriting policy. At market level it fluctuates through the cycle: after years with major losses capacity tightens and prices rise (hard market), while in benign periods it expands (soft market).

Relevance for corporates

For large industrial risks, the required capacity often has to be syndicated across several insurers (co-insurance, layering). Brokers structure the tender and placement to secure the required limits at marketable terms.

Underwriting

Synonyms: Risk assessment

Underwriting is the process of risk assessment, selection and pricing by which an insurer decides whether, and on what terms, to accept a risk.

Process steps

Underwriting comprises the analysis of risk information (exposure, loss history, risk engineering reports), the decision to accept or decline, the setting of premium, deductible, limits and conditions, and ongoing portfolio management including remediation.

Information basis

The quality and completeness of underwriting information largely determine the achievable terms. Structured risk submissions with current value and location data, protection concepts and business continuity evidence measurably improve the insured’s market position.

Underwriting discipline

Sustainable underwriting maintains guidelines even under competitive pressure; diluted standards show up with a delay in rising combined ratios and subsequent remediation rounds.

Underwriting Policy

Synonyms: Risk selection policy

Underwriting policy comprises an insurer's objective and resource decisions on accepting insured risks, including underwriting limits, retentions and risk premiums.

Core decisions

Underwriting policy determines what risk information is required, which risks are accepted at all, where underwriting limits and maximum retentions lie, how risk premiums and loadings are set, and what capital backing must be held for them.

Position within the company

Underwriting policy interacts closely with product, pricing and reinsurance policy as well as solvency management. It is therefore a core building block of risk management and overall corporate governance, not merely an operational guideline for individual underwriters.

Practical relevance

Consistent underwriting policy prevents standards from being diluted under competitive pressure – an effect that shows up with a delay in rising combined ratios and subsequent remediation rounds. For corporate clients, an insurer’s underwriting policy is reflected in the consistency of acceptance decisions, terms and capacity through the market cycle.